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Question 18N.2.SL.TZ0.6b

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Date November 2018 Marks available [Maximum mark: 2] Reference code 18N.2.SL.TZ0.6b
Level SL Paper 2 Time zone TZ0
Command term Determine Question number b Adapted from N/A
b.
[Maximum mark: 2]
18N.2.SL.TZ0.6b

The ratio  distance of Mars from the Sun distance of Earth from the Sun = 1.5.

(b)

Determine, in K, the mean surface temperature of Mars. Assume that Mars acts as a black body.

[2]

Markscheme

use of 600 4 for mean intensity ✔

temperature/K = « 600 4 × 5.67 × 10 − 8 4 = » 230 ✔

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